package com.feng.study.config.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.io.IOException;
import java.math.BigDecimal;

public class BigDecimalJsonSerializer extends JsonSerializer<BigDecimal> {

    @Override
    public void serialize(BigDecimal value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        if (value != null) {
            value = value.setScale(2, BigDecimal.ROUND_HALF_UP);
            gen.writeString(value.toString());
        } else {
            gen.writeNumber(0.00);
        }
    }
}
